AutoCodesSuzuki – C1027 Suzuki

C1027 Suzuki Code - ESP OFF Switch Circuit Failure

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Electronic Stability Program (ESP®) OFF Switch. Common causes include Faulty ESP OFF Switch, ESP OFF Switch harness is open or shorted, ESP OFF Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C1027 Suzuki indicates ESP OFF Switch Circuit Failure.
Common causes
Common causes include Faulty ESP OFF Switch, ESP OFF Switch harness is open or shorted, ESP OFF Switch circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 6,474
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 10, 2020
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Code C1027 Suzuki Description

The Anti-Lock Brake System (ABS) Module monitors the Electronic Stability Program (ESP®) OFF Switch. The ABS Module sets the OBDII code when the ESP OFF Switch is not to factory specifications.
OBDII Code C1027 Suzuki - ESP OFF Switch Circuit Failure - AutoCodes.com
C1027 Suzuki Code - ESP OFF Switch Circuit Failure

What are the Possible Causes of the DTC C1027 Suzuki?

  • Faulty ESP OFF Switch
  • ESP OFF Switch harness is open or shorted
  • ESP OFF Switch circuit poor electrical connection

How to Fix the DTC C1027 Suzuki?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1027 Suzuki code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C1027 Suzuki code?

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Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1027 Suzuki Code

1. What are the common symptoms of OBDII code C1027 Suzuki (ESP OFF Switch Circuit Failure)?

The common symptoms include the ESP (Electronic Stability Program) light illuminating on the dashboard, loss of stability control functionality, and potential disabling of the ESP system.

2. What are the possible causes of the ESP OFF Switch Circuit Failure code?

Potential causes include a faulty ESP OFF switch, damaged wiring or connectors in the ESP circuit, a malfunctioning ESP control module, or a software issue within the vehicle's electronic control unit (ECU).

3. How can I diagnose the ESP OFF Switch Circuit Failure issue?

Diagnosis typically involves using an OBDII scanner to retrieve the specific trouble code (C1027), inspecting the ESP OFF switch and its wiring for any visible damage, and performing circuit tests to check for continuity and proper voltage levels.

4. Can I still drive my Suzuki with the ESP OFF Switch Circuit Failure code present?

While the vehicle may still be driveable with this code, it is recommended to address the issue promptly to ensure the safety and proper functioning of the ESP system, especially in adverse driving conditions.

5. How can I repair the ESP OFF Switch Circuit Failure on my Suzuki?

Repair options may include replacing the faulty ESP OFF switch, repairing damaged wiring or connectors, resetting the ESP system through diagnostic tools, or reprogramming the ECU if a software issue is suspected.

6. Is it possible to reset the ESP system to clear the C1027 trouble code?

In some cases, resetting the ESP system using a diagnostic scanner may clear the trouble code temporarily. However, it is crucial to address the underlying issue causing the code to prevent it from reoccurring.

7. Can a DIY enthusiast fix the ESP OFF Switch Circuit Failure issue at home?

Depending on the specific cause of the problem, DIY enthusiasts with automotive repair experience may be able to address simpler issues like replacing the ESP OFF switch or checking for loose connections. However, complex repairs may require professional assistance.

8. Will the ESP OFF Switch Circuit Failure code cause my Suzuki to fail an emissions test?

The ESP OFF Switch Circuit Failure code itself is related to the stability control system and should not directly impact emissions. However, unresolved issues with the ESP system may trigger other related trouble codes that could affect emissions performance.

9. How much does it typically cost to repair the ESP OFF Switch Circuit Failure on a Suzuki?

Repair costs can vary depending on the root cause of the issue, labor rates in your area, and whether genuine Suzuki parts are needed. It is advisable to obtain quotes from reputable mechanics or dealerships for an accurate estimate.

10. Is it safe to continue driving my Suzuki if the ESP OFF Switch Circuit Failure code keeps reappearing?

Continuing to drive with a recurring ESP OFF Switch Circuit Failure code can compromise the vehicle's stability control system, potentially affecting your safety on the road. It is recommended to address the issue promptly to ensure proper functionality.

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